Kelly Clarkson throws herself to the ground in front of Jon Bon Jovi after repeatedly flubbing his song on ‘The Kelly Clarkson Show.’
Allison Williams and Ebon Moss-Bachrach played toxic couple Marnie Michaels and Desi Harperin on HBO's 'Girls.'
See ET's timeline of Kelly Clarkson and Brandon Blackstock's eight-year relationship, marriage, and high-profile divorce.
Here are all of the previous champions from both the Fox and ABC iterations of 'Idol.'
Kelly Clarkson is the most recent celeb to join stars like Oprah Winfrey and Rebel Wilson in admitting to using weight-loss shots.
Kelly Clarkson breaks down her decision to use weight-loss drugs on 'The Kelly Clarkson Show.'
Kelly Clarkson and Whoopi Goldberg bond over their weight loss journeys in a new interview.
Kelly Clarkson mistakes one of her own songs for another pop star's hit during a game with Anne Hathaway on 'The Kelly Clarkson Show.'
The celebrated actress channeled some adorable nostalgia for a promo for 'The Kelly Clarkson Show.'
The 'Today' show host stopped by as Kelly and Meghan Trainor were rehearsing a song.
Ryan Seacrest, Lionel Richie and more chat with ET about Katy Perry leaving ‘American Idol,’ which airs Sundays and Mondays on ABC.
Lionel Richie chats with ET's Denny Directo after Monday's live episode of 'American Idol,' which aired on ABC.
Hint: It's a major pop star!
Katy Perry reacts to Kelly Clarkson's cover of her song 'Wide Awake' on Instagram.
